OFDM Relay Cognitive Radio Multiple Antennas Synchronization Channel Estimation Full duplex Resource Allocation CDMA Spectrum Sharing Spectrum Sensing Interference Cancellation Stochastic Geometry Bi-Directional Feedback Neural Networks Energy Harvesting Heterogeneous Networks Equalizer FBMC Femtocell relay networks in-band full-duplex system Equalization HetNet Device-to-Device (D2D) Duplex TVWS SC-FDMA channel capacity C-V2V Handoff Reliability Cell Search mode selection Spectral efficiency Channel estimation error LTE-based V2V SINR mismatch problem Ultra-dense small cell networks interference Idle cells interference suppression Ultra Low Power 5G Vehicle-to-vehicle communication MIMO GFDM Ultra-dense small cell distributed mode non-orthogonal multiple access resource selection —Dynamic TDD; cross-link interference; HetNet; LTE-TDD P-NOMA maximum likelihood method SCMA Number of training blocks user fairness Uplink SCMA system Vehicular communication V2X partial overlap End-to-end delay Short burst transmission mMTC Poisson arrival Traffic Capacity Power control System level simulation Spatial capacity Subband filtering MPA detector CFO Communication range inter user interference Timing and frequency offset Full-duplex On/off algorithm Empty cell resource block management Outdated channel estimation User association WVAN ultra-dense small cell network timing misalignment self interference cancellation amplify and forward communication UFMC body area networks Zigbee health care 5G mobile communication antenna arrays QAM intersymbol interference quality of service cellular radio telecommunication traffic intercarrier interference frame structure